Professor Yu Cheng and co-workers look at the recent advances of nanoparticle-based imaging contrast agents for in vivo stem cell tracking. They provide an in-depth look at popular in vivo imaging techniques, magnetic resonance imaging, fluorescence imaging, ultrasound imaging, and
Cell lines for vaccine production and cultivation of SARS CoV-2 and other viruses. Primary, human diploid, and continuous culture cell lines for the propagation of viruses and virus-based vaccines.